Protecting cattle from wolves without killing, Shark antibodies to fight coronaviruses, wildlife DNA in the air, Tiny fish do the wave and why smoke is different from clouds.
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This Alberta rancher has been called a 'wolf lover' for using no-kill methods to protect cattle; Shark antibodies could be a tool to fight future coronavirus outbreaks; Sniffing out animal DNA in the air could help monitor endangered species; Tiny fish do 'the wave' to scare off predatory birds; Why does smoke disperse but clouds seem to stick together?